5.2 Chapter 4.2, Higher order linear differential equations. Constant coefficients. page 180

5.2.1 problem 8
5.2.2 problem 9
5.2.3 problem 10
5.2.4 problem 11
5.2.5 problem 12
5.2.6 problem 13
5.2.7 problem 14
5.2.8 problem 15
5.2.9 problem 16
5.2.10 problem 17
5.2.11 problem 18